| 1 | |
| 2 | * Context.c. Python interfaces for perf script.
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| 3 | *
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| 4 | * Copyright (C) 2010 Tom Zanussi <[email protected]>
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| 5 | *
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| 6 | * This program is free software; you can redistribute it and/or modify
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| 7 | * it under the terms of the GNU General Public License as published by
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| 8 | * the Free Software Foundation; either version 2 of the License, or
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| 9 | * (at your option) any later version.
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| 10 | *
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| 11 | * This program is distributed in the hope that it will be useful,
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | * GNU General Public License for more details.
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| 15 | *
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| 16 | * You should have received a copy of the GNU General Public License
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| 17 | * along with this program; if not, write to the Free Software
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| 18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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| 19 | *
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| 20 |
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| 21 |
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| 22 | #include <Python.h>
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| 23 | #include "../../../perf.h"
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| 24 | #include "../../../util/trace-event.h"
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| 25 |
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| 26 | PyMODINIT_FUNC initperf_trace_context(void);
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| 27 |
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| 28 | static PyObject *perf_trace_context_common_pc(PyObject *obj, PyObject *args)
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| 29 | {
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| 30 | static struct scripting_context *scripting_context;
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| 31 | PyObject *context;
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| 32 | int retval;
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| 33 |
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| 34 | if (!PyArg_ParseTuple(args, "O", &context))
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| 35 | return NULL;
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| 36 |
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| 37 | scripting_context = PyCObject_AsVoidPtr(context);
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| 38 | retval = common_pc(scripting_context);
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| 39 |
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| 40 | return Py_BuildValue("i", retval);
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| 41 | }
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| 42 |
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| 43 | static PyObject *perf_trace_context_common_flags(PyObject *obj,
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| 44 | PyObject *args)
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| 45 | {
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| 46 | static struct scripting_context *scripting_context;
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| 47 | PyObject *context;
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| 48 | int retval;
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| 49 |
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| 50 | if (!PyArg_ParseTuple(args, "O", &context))
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| 51 | return NULL;
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| 52 |
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| 53 | scripting_context = PyCObject_AsVoidPtr(context);
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| 54 | retval = common_flags(scripting_context);
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| 55 |
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| 56 | return Py_BuildValue("i", retval);
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| 57 | }
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| 58 |
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| 59 | static PyObject *perf_trace_context_common_lock_depth(PyObject *obj,
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| 60 | PyObject *args)
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| 61 | {
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| 62 | static struct scripting_context *scripting_context;
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| 63 | PyObject *context;
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| 64 | int retval;
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| 65 |
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| 66 | if (!PyArg_ParseTuple(args, "O", &context))
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| 67 | return NULL;
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| 68 |
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| 69 | scripting_context = PyCObject_AsVoidPtr(context);
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| 70 | retval = common_lock_depth(scripting_context);
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| 71 |
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| 72 | return Py_BuildValue("i", retval);
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| 73 | }
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| 74 |
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| 75 | static PyMethodDef ContextMethods[] = {
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| 76 | { "common_pc", perf_trace_context_common_pc, METH_VARARGS,
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| 77 | "Get the common preempt count event field value."},
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| 78 | { "common_flags", perf_trace_context_common_flags, METH_VARARGS,
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| 79 | "Get the common flags event field value."},
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| 80 | { "common_lock_depth", perf_trace_context_common_lock_depth,
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| 81 | METH_VARARGS, "Get the common lock depth event field value."},
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| 82 | { NULL, NULL, 0, NULL}
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| 83 | };
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| 84 |
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| 85 | PyMODINIT_FUNC initperf_trace_context(void)
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| 86 | {
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| 87 | (void) Py_InitModule("perf_trace_context", ContextMethods);
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| 88 | }
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